Piping, Belgium (Deadline: 30 September 2009)

8 September 2009

Fire water circuit CEI replacement - Tihange 1, 2 & 3.

Contact: Tractebel Engineering SA, Avenue Ariane, 7, Attn: M.Jérôme DENOEL, B-1200 Brussel. Tel. +32 27738715. E-mail: jerome.denoel@gdfsuez.com. Fax +32 27738900. URL: www.engineering-gdfsuez.com.

Application language: French or English.

Lot 1: Replacement of the underground fire water circuit in Tihange 3.

The replacement of the existing underground fire water circuit includes:

— Study,

— Dismantling of the existing circuit,

— Supply, and installation of the new fire circuit (NPS 12" / 6" - ~1 700m, ANSI B31.1/DIN, P.E.D),

— 3 alternatives are considered:

Carbon steel piping.

Synthetic material piping (fiberglass reinforced epoxy resin pipe).

High density polyethylene HDPE.

— Civil works, trenches, road excavations, and rebuilding,

— Supply and installation of new valves (flange according to DIN),

— Supply and installation of new fire hydrants (BH100),

— Supply and installation of power operated relief valves down flow the main pumps.

The Royal Decree on "temporary and mobile work sites" shall be applicable.

Lot 2: Replacement of the underground fire water circuit in Tihange 2.

The replacement of the existing underground fire water circuit includes:

— Study,

— Dismantling of the existing circuit,

— Supply, and installation of the new fire circuit (NPS 12" / 6" - ~2 500m, ANSI B31.1/DIN, P.E.D),

— 3 alternatives are considered:

Carbon steel piping.

Synthetic material piping (fiberglass reinforced epoxy resin pipe).

High density polyethylene HDPE.

— Civil works, trenches, road excavations, and rebuilding,

— Supply and installation of new valves (flange according to DIN),

— Supply and installation of new fire hydrants (BH100),

— Supply and installation of power operated relief valves down flow the main pumps.

The Royal Decree on "temporary and mobile work sites" shall be applicable.

Lot 3: Replacement of piping and supply of valves for non-classified part inside the buildings of Tihange 3.

The replacement of the existing fire water circuit inside buildings in Tihange 3 includes:

— Study,

— Dismantling of the existing circuit,

— Supply, and installation of the new fire circuit (NPS from 12" to 4" - ~4 000m, ANSI B31.1/DIN, P.E.D).

2 alternatives are considered:

Carbon steel piping.

Synthetic material piping (fiberglass reinforced epoxy resin pipe).

— Supply of the new supports and/or recovery or the current supports,

— Supply and installation of new valves (flange according to DIN).

Lot 4: Replacement of piping and supply of valves for non-classified part inside the buildings of Tihange 2.

The replacement of the existing fire water circuit inside buildings in Tihange 2 includes:

— Study,

— dismantling of the existing circuit,

— Supply, and installation of the new fire circuit (NPS from 12" to 4" - ~4 000m, ANSI B31.1/DIN, P.E.D).

2 alternatives are considered:

Carbon steel piping.

Synthetic material piping (fiberglass reinforced epoxy resin pipe).

— Supply of the new supports and/or recovery or the current supports,

— Supply and installation of new valves (flange according to DIN).

Lot 5: Replacement of piping and supply of valves for non-classified part inside the buildings of Tihange 1.

The replacement of the existing fire water circuit inside buildings in Tihange 1 includes:

— Study,

— Dismantling of the existing circuit,

— Supply, and installation of the new fire circuit (NPS from 12" to 4" - ~1 800m, ANSI B31.1/DIN, P.E.D).

2 alternatives are considered:

Carbon steel piping.

Synthetic material piping (fiberglass reinforced epoxy resin pipe).

— Supply of the new supports and/or recovery or the current supports,

— Supply and installation of new valves (flange according to DIN),

— Supply and installation of power operated relief valves down flow the main pumps.

Lot 6: piping supply and installation, and valve installation according to ASME III code, in Tihange 3.

The replacement of the existing fire water circuit inside buildings (reactor building containment penetration) in Tihange 3 includes:

— Study,

— Dismantling of the existing circuit (piping and valves),

— Supply, and installation of the new fire circuit (NPS 6" - ~80m, ASME III code, safety class 2 and 3),

— Carbon steel piping,

— Supply of the new supports and/or recovery or the current supports,

— Installation of new valves.

Lot 7: piping supply and installation, and valve installation according to ASME III code, in Tihange 2.

The replacement of the existing fire water circuit inside buildings (reactor building containment penetration) in Tihange 2 includes:

— Study,

— Dismantling of the existing circuit (piping and valves),

— Supply, and installation of the new fire circuit (NPS 6" - ~80m, ASME III code, safety class 2 and 3),

— Carbon steel piping,

— Supply of the new supports and/or recovery or the current supports,

— Installation of new valves.

Lot 8: piping supply and installation, and valve installation according to ASME III code, in Tihange 1.

The replacement of the existing fire water circuit inside buildings (reactor building containment penetration) in Tihange 1 includes:

— Study,

— Dismantling of the existing circuit (piping and valves),

— Supply, and installation of the new fire circuit (NPS 6" - ~10m, ASME III code, safety class 2),

— Carbon steel piping,

— Supply of the new supports and/or recovery or the current supports,

— Installation of new valves.




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